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Finding the Fourth Proportional to 43,340.37, 65,007.31 and 15,638.37

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Solution

The fourth proportional to 43,340.37, 65,007.31 and 15,638.37 is: 23,456.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,340.37 : 65,007.31 = 15,638.37 : x
  2. Step 2: Convert to fraction form
    43,340.37/65,007.31 = 15,638.37/x
  3. Step 3: Cross multiply
    43,340.37x = 65,007.31 × 15,638.37
  4. Step 4: Simplify right side
    43,340.37x = 1,016,608,366.48
  5. Step 5: Solve for x
    x = 1,016,608,366.48/43,340.37
  6. Step 6: Final answer
    x = 23,456.38

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